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MAX4355 PDF预览

MAX4355

更新时间: 2024-11-19 23:46:27
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
40页 719K
描述
16x16 Nonblocking Video Crosspoint Switch with I/O Buffers

MAX4355 数据手册

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19-2208; Rev 0; 10/01  
16x16 Nonblocking Video Crosspoint Switch  
with I/O Buffers  
General Description  
Features  
The MAX4355 is a 16 16 highly integrated video  
crosspoint switch matrix with input and output buffers.  
This device operates from dual 3ꢀ to 5ꢀ supplies or  
from a single +5ꢀ supply. Digital logic is supplied from  
an independent single +2.7ꢀ to +5.5ꢀ supply. All inputs  
and outputs are buffered, with all outputs able to drive  
standard 75 reverse-terminated video loads.  
16 16 Nonblocking Matrix with Buffered Inputs  
and Outputs  
Operates from ±±3V ±ꢀ3V or ꢁꢀ3 ꢂupplies  
Individually Programmable Output Buffer Gain  
(A = ꢁ13/3 or ꢁ23/3)  
3
High-Impedance Output Disable for Wired-OR  
The switch matrix configuration and output buffer gain  
are programmed through an SPI/QSPI-compatible,  
3-wire serial interface and initialized with a single  
update signal. The unique serial interface operates in  
two modes facilitating both fast updates and initializa-  
tion. On power-up, all outputs are initialized in the dis-  
abled state to avoid output conflicts in large-array  
configurations.  
Connections  
0.1dB Gain Flatness to 14MHz  
-62dB CrosstalkV -110dB Isolation at 6MHz  
0.02%/0.12° Differential Gain/Differential Phase  
Error  
Low 19ꢀmW Power Consumption (0.76mW per  
Superior flexibility, high integration, and space-saving  
packaging make this nonblocking switch matrix ideal  
for routing video signals in security and video-on-  
demand systems.  
Point)  
Ordering Information  
The MAX4355 is available in a 100-pin TQFP package  
and specified over an extended -40°C to +85°C tem-  
perature range.  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX4355ECQ  
-40 C to +85 C  
100 TQFP  
Pin Configuration appears at end of data sheet.  
Applications  
Security Systems  
Functional Diagram  
ꢀideo Routing  
ꢀideo-on-Demand Systems  
Typical Operating Circuit  
MAX4355  
IN0  
IN1  
A *  
V
OUT0  
OUT1  
OUT2  
OUT15  
A *  
V
CAMERAS  
16 x 16  
IN0  
IN1  
OUT0  
OUT1  
SWITCH MATRIX  
MONITOR  
MONITOR  
A *  
V
IN2  
A *  
V
IN15  
MAX4355  
POWER-ON  
RESET  
THERMAL  
SHUTDOWN  
RESET  
16  
256  
16  
DISABLE ALL OUTPUTS  
V
V
CC  
EE  
DECODE LOGIC  
LATCHES  
AGND  
DIN  
SCLK  
UPDATE  
CE  
IN15  
OUT15  
V
DD  
SERIAL  
INTERFACE  
DGND  
MONITOR  
MATRIX REGISTER  
96 BITS  
DOUT  
UPDATE REGISTER  
16 BITS  
AOUT  
A0–A3 MODE  
*A = +1V/V OR +2V/V  
V
SPI and QSPI are trademarks of Motorola, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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